Western blotting article protein expression controlled study 109 priority journal 92 nonhuman 90 Animals 82 animal experiment 59 animal tissue 57 human 57 female 52 Female 49 Blotting, Western 48 Mice 46 human cell 44 animal cell 43 mouse 43 Humans 39 immunohistochemistry 38 reverse transcription polymerase chain reaction 38 male 34 metabolism 33 signal transduction 33 rat 31 Male 30 animal model 28 animal 27 cell proliferation 25 enzyme activity 25 Rats 24